Golf balls incorporating foamed metallocene catalyzed polymer

A golf ball comprising a cover and a core and a mantle situated between the cover and the core, wherein at least one of the cover, the core, and the mantle comprises at least one layer, the layer formed of a metallocene catalyzed polymer blend, comprising from about 1 to about 100 phr of at least one metallocene catalyzed polymer and from about 99 to 0 phr of at least one ionomer, wherein the metallocene catalyzed polymer is of the formula:

• ##STR5## wherein R.sub.1 is hydrogen, aromatic, heterocyclic, or lower alkyl selected from the group consisting of CH.sub.3, C.sub.2 H.sub.5, C.sub.3 H.sub.7, and C.sub.4 H.sub.9 ;
• R.sub.2 is hydrogen, aromatic, heterocyclic, or lower alkyl selected from the group consisting of CH.sub.3, C.sub.2 H.sub.5, C.sub.3 H.sub.7, and C.sub.4 H.sub.9 or lower alkyl selected from the group consisting of CH.sub.3, C.sub.2 H.sub.5, C.sub.3 H.sub.7, C.sub.4 H.sub.9, and C.sub.5 H.sub.11 ;
• R.sub.3 is hydrogen or lower alkyl selected from the group consisting of CH.sub.3, C.sub.2 H.sub.5, C.sub.3 H.sub.7, C.sub.4 H.sub.9, and C.sub.5 H.sub.11 ;
• R.sub.4 is selected from the group consisting of H, CH.sub.3, C.sub.2 H.sub.5, C.sub.3 H.sub.7, C.sub.4 H.sub.9, C.sub.5 H.sub.11, C.sub.6 H.sub.13, C.sub.7 H.sub.15, C.sub.8 H.sub.17, C.sub.9 H.sub.19, C.sub.10 H.sub.21, and phenyl, in which from 0 to 5 H within R.sub.4 can be replaced by substituents selected from the group consisting of COOH, SO.sub.3 H NH.sub.2, F, Cl, Br, I, OH, SH, silicone, lower alkyl esters and lower alkyl ethers, with the proviso that R.sub.3 and R.sub.4 can be combined to form a bicyclic ring;
• R.sub.5 is hydrogen, lower alkyl including C.sub.1 -C.sub.5, carbocyclic, aromatic or heterocyclic;
• R.sub.6 is hydrogen, lower alkyl including C.sub.1 -C.sub.5, carbocyclic, aromatic or heterocyclic;
• and
• wherein x ranges from 99 to 50 weight per cent of the polymer, y ranges from 1 to 50 weight per cent of the polymer and z ranges from 0 to 49 weight per cent of the polymer.

A golf ball comprising a cover and a core, the core having at least one layer, the layer formed of a metallocene catalyzed polymer blend, comprising from about 1 to about 100 phr of at least one metallocene catalyzed polymer and from about 99 to 0 phr of at least one ionomer, wherein the metallocene catalyzed polymer is of the formula:

• ##STR6## wherein R.sub.1 is hydrogen, aromatic, heterocyclic, or lower alkyl selected from the group consisting of CH.sub.3, C.sub.2 H.sub.5, C.sub.3 H.sub.7, and C.sub.4 H.sub.9 ;
• R.sub.2 is hydrogen, aromatic, heterocyclic, or lower alkyl selected from the group consisting of CH.sub.3, C.sub.2 H.sub.5, C.sub.3 H.sub.7, and C.sub.4 H.sub.9 or lower alkyl selected from the group consisting of CH.sub.3, C.sub.2 H.sub.5, C.sub.3 H.sub.7, C.sub.4 H.sub.9, and C.sub.5 H.sub.11 ;
• R.sub.3 is hydrogen or lower alkyl selected from the group consisting of CH.sub.3, C.sub.2 H.sub.5, C.sub.3 H.sub.7, C.sub.4 H.sub.9, and C.sub.5 H.sub.11 ;
• R.sub.4 is selected from the group consisting of H, CH.sub.3, C.sub.2 H.sub.5, C.sub.3 H.sub.7, C.sub.4 H.sub.9, C.sub.5 H.sub.11, C.sub.6 H.sub.13, C.sub.7 H.sub.15, C.sub.8 H.sub.17, C.sub.9 H.sub.19, C.sub.10 H.sub.21, and phenyl, in which from 0 to 5 H within R.sub.4 can be replaced by substituents selected from the group consisting of COOH, SO.sub.3 H, NH.sub.2, F, Cl, Br, I, OH, SH, silicone, lower alkyl esters and lower alkyl ethers, with the proviso that R.sub.3 and R.sub.4 can be combined to form a bicyclic ring;
• R.sub.5 is hydrogen, lower alkyl including C.sub.1 -C.sub.5, carbocyclic, aromatic or heterocyclic;
• R.sub.6 is hydrogen, lower alkyl including C.sub.1 -C.sub.5, carbocyclic, aromatic or heterocyclic;
• and
• wherein x ranges from 99 to 50 weight per cent of the polymer, y ranges from 1 to 50 weight per cent of the polymer and z ranges from 0 to 49 weight per cent of the polymer.